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unpoloarized light is passed through a set of n polarizers the first polarizer is arranged with the polarizing slits
a diffraction grating is 250 mm wide and has 8000 rulings lines light of wavelength 656 nm is incident on the grating
estimate the linear separation of two objects on the planet mars that can just be resolved under ideal conditions by an
nasa has sent a satellite to a new planet with an unknown mass they place the satellite in geosynchronous orbit at a
on a warm day 89f an air-filled balloon occupies a volume of 0250m3 and has a pressure of 220 lbin if the balloon is
after fixing a flat tire on a bicycle you give the wheel a spin a if its initial angular speed was 609 rads and it
the cable lifting an elevator is wrapped around a 10--diameter cylinder that is turned by the elevators motor the
calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 292 m assume the density of the water
if a hot reservoir of an engine is 300k and cold reservoir 200k what is the carnot efficiency of this
a youngs interference experiment is per- formed with blue-green argon laser light the separation between the slits is
transverse waves on a string have wave speed v8ms amplitude a00700 m and wavelength lambda 0320 m the waves travel
a 57-kg block is pushed 40 m up a vertical wall with constant speed by a constant force of magnitude f applied at an
a long solenoid that has960turnsuniformly distributed over a length of0390m produces a magnetic field of
the electric motor of a model train accelerates the train from rest to 0640 ms in 220 ms the total mass of the train is
a 46-ft-tall girl stands on level ground the sun is 41deg above the horizontal how long is her
a 270-kg child on a 100-m-long swing is released from rest when the ropes of the swing make an angle of 250deg with the
the nucleus 60co decays by the emission of an electron b 2 energetic gamma rays also accompany this decay and are used
a man pushing a crate of mass m 920 kg at a speed of v 0870 ms encounters a rough horizontal surface of length script
you are to design a rotating cylindrical axle to lift 800 n buckets of cement from the ground to a rooftop 780 m above
a car with 66 -diameter tires accelerates uniformly from rest to 20 in 20 how many times does each tire
a garden hose having an internal diameter of 0750 in 19050 cm is connected to a lawn sprinkler that consists merely
find an expression for acceleration a of a stationary observer in schwarzschildspacetime and show that generally it
you wrap a single layer of copper wire diameter 812mm around a tube diameter 4cm length 28cm to create an air filled
use the absolute derivative dadudadufrom to a dxdu to prove that the inner scalar product of two vectors is preserved
in a simple of the hydrogen atom the electron revolves in a circular orbit around the proton with a speed of 11 x 106